t/python-missing.sh

   1 #! /bin/sh
   2 # Copyright (C) 2003-2017 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Test detection of missing Python.
  18 # See also related test t/python-am-path-missing-2.sh (which requires
  19 # an actual python program).
  20
  21 am_create_testdir=empty
  22 # An actual python is *not* required in this test.
  23 . test-init.sh
  24
  25 unset PYTHON
  26
  27 cat > configure.ac <<END
  28 AC_INIT([$me], [1.0])
  29 m4_include([mypy.m4])
  30 AC_OUTPUT
  31 END
  32
  33 echo AM_PATH_PYTHON > mypy.m4
  34
  35 $ACLOCAL
  36 $AUTOCONF
  37
  38 # Simulate no Python.
  39 ./configure PYTHON=: 2>stderr && { cat stderr >&2; exit 1; }
  40 cat stderr >&2
  41 grep 'no suitable Python interpreter found' stderr
  42
  43 # Again, but from the environment this time.
  44 env PYTHON=: ./configure 2>stderr && { cat stderr >&2; exit 1; }
  45 cat stderr >&2
  46 grep 'no suitable Python interpreter found' stderr
  47
  48 # Now try using a custom ACTION-IF-NOT-FOUND.
  49
  50 echo 'AM_PATH_PYTHON(,, [echo "$PYTHON" > py])' > mypy.m4
  51 $AUTOCONF --force
  52 ./configure PYTHON=:
  53 test x"$(cat py)" = x:
  54
  55 # Now try requiring a version.
  56
  57 rm -rf autom4te*.cache # Will have to re-run aclocal.
  58
  59 # Hopefully the Python team will never release such a version :-)
  60 echo 'AM_PATH_PYTHON([9999.9], [])' > mypy.m4
  61 # The "--force" options (here and below) are truly needed to avoid
  62 # potential timestamp races.  See automake bug#12210.
  63 $ACLOCAL --force
  64 $AUTOCONF --force
  65 ./configure >stdout 2>stderr && {
  66   cat stdout
  67   cat stderr >&2
  68   exit 1
  69 }
  70 cat stdout
  71 cat stderr >&2
  72 $EGREP 'checking for a Python interpreter with version >= 9999\.9\.\.\. no(ne)? *$' stdout
  73 grep 'no suitable Python interpreter found' stderr
  74
  75 # Now try requiring a version and using a custom ACTION-IF-NOT-FOUND.
  76
  77 echo 'AM_PATH_PYTHON([9999.9], [], [echo "$PYTHON" > py])' > mypy.m4
  78 $AUTOCONF --force
  79 ./configure
  80 test x"$(cat py)" = x:
  81
  82 :